Expand your Somfy Home Alarm or Somfy One/One+ with the Somfy Protect smoke alarm for even more safety and security. As soon as the sensor detects smoke, the loud 85dB siren will sound and a notification will be sent to your smartphone. If you have several Somfy Protect smoke detectors at home, they will all go off. The siren of your Protect alarm system can also be activated by the smoke detector and the camera will immediately start recording and saving images. You can also view what\'s going on directly via the live stream. The smoke detector can easily be added to your Somfy Protect alarm or intelligent security camera and operated via the Protect app. Enjoy the benefits of a connected smoke alarm: - Loud siren (85dB) - Works together with your Somfy Protect alarm or intelligent security camera - The smoke detectors are connected to each other so that they go off simultaneously - Notification on your telephone in case of smoke detection - Installation and maintenance via the Somfy Protect app